Find_IP_Address_of_Domains_Within_a_URL.sh

#!/bin/bash

## To launch it you can do a 
## ./Find_IP_Address_of_Domains_Within_a_URL.sh tunnelix.com

output=$(for Domain in "$@"
do
wget -qO- $Domain | grep -Eo '(http|https)://[^/"]+' | sort -n | uniq | sed 's/^http\(\|s\):\/\///g'
done)

refineoutput=$(for url in $(echo $output); 
do
host $url | grep "has address" | cut -d" " -f4 
done)

for refine in $(echo $refineoutput);
do
echo $refine | sort -n
done